i work for a small company call soundcom electronics in san antonio texas. we have some onkyo schematics but i am not sure we have the one you want. however, the owner is armin osterheld. he is from the alsace (spelling?) in germany.(i think). he may simply enjoy speaking to you. the shop is closed this week and will reopen mon. july 11. at 9am central time. 6hrs ahead of london. our phone number is 210-736-4417 fax is 210-734-9166.